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Gelneren [198K]
3 years ago
12

Complete the steps to find 253*34

Mathematics
1 answer:
Dennis_Churaev [7]3 years ago
5 0

Answer:

8602

Step-by-step explanation:

complete what steps? 253*34=8602

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The barbecue started at half-past 5.
bezimeni [28]

Answer:

7:30

Step-by-step explanation:

Half past 5 would be 5:30.

An hour is 60 minutes, half of 60 is 30

In order to find the time two hours later we must add 2 to 5:30

5:30+2=7:30

8 0
4 years ago
Need help with this slide about proofs explanation would be nice aswell.
Sunny_sXe [5.5K]

Answer:

1. AB ~= DF

2. Definition of Congruent

3. Reflexive Property of Congruency

4 BD=BD

6. AB+BD=AD; DF+BD=BF

7. Substitution Property of Equality

8. Definition of Congruent

Step-by-step explanation:

1. The given always goes first, and that's the first reason, so AB ~= DF must be the first statement (that should be the congruency symbol).

2. The definition of congruent is that if they are congruent then they are equal. Since that statement made two congruent lines equal, it must be the definition.

3. The reflexive property means something is congruent to itself, and BDis BD, therefore it is the reflexive property.

4. Remember if something is congruent then it is equal.

6. The segment addition postulate states that if we are given two points on a line segment, then AB+AC=AC.

7. In this statement AD was substituted for DF+BD. This can be done because of AB=DF and BD=BD as aforementioned.

8. If two things are congruent then they are equal by definition of congruency.

6 0
3 years ago
900.000 divided by 90.000
PolarNik [594]
900.000/90.000 is 10

Hope this helped!
8 0
4 years ago
Read 2 more answers
Beth, James and Buzz put their money together for a gift for their father on Father's Day. The gift cost them $75 all together.
Phoenix [80]

Hello!

We are told that the Father’s Day gift was $75, the cost of which was split between three people. This can be represented using the following equation:

(Beth) + (James) + (Buzz) = $75

We know that Beth and James each contributed $25. Now we can rewrite the equation with the given information and then simplify:

$25 + $25 + (Buzz) = $75

$50 + (Buzz) = $75

Now subtract $50 from both sides and simplify:

$50 (-$50) + (Buzz) = $75 (-$50)

Buzz = $25

We have now proved that Buzz contributed $25.

I hope this helps!

5 0
3 years ago
Read 2 more answers
I need help simplifying both of these. thank you!
4vir4ik [10]
<h3>Answer:</h3>
  1. -100x +100; 3
  2. 5x +81; 162
<h3>Step-by-step explanation:</h3>

The distributive property is your friend. It tells you ...

  a(b + c) = ab + ac

It can also be used to simplify the product of binomials (or other polynomials).

  (a +b)^2 = (a +b)(a +b) = a(a +b) + b(a +b) = a^2 +ab +ab +b^2

  (a +b)^2 = a^2 +2ab + b^2 . . . . . . . worth remembering

1. (x -10)^2 -x(x +80) = (x^2 -20x +100) +(-x^2 -80x)

  = -100x +100 . . . . . . simplified form

For the purposes of calculation, it can be easier to factor out 100:

  = 100 (1 -x)

Then for x = 0.97

  = 100(1 -0.97) = 100(0.03) = 3

___

2. (2x +9)^2 -x(4x +31) = (4x^2 +36x +81) -4x^2 -31x = 5x +81

For x = 16.2, this is ...

  5(16.2) +81 = 81 +81 = 162

_____

The purpose of the attachment is to show the evaluation is correct.

5 0
3 years ago
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